Tysabri(r) Antibody Test - Quest Diagnostics Nichols Institute of Valencia

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19215: Tysabri(r) Antibody Test

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	Interpretation
	Technical Results	ELISA
	Methods
	Comments
	References


PRIMARY
1	Serum	2 (0.5) mL	Frozen - 6 Month(s)/Refrigerated - 28 Day(s)/Room Temperature - 72 Hour(s)
ALTERNATE

Antibodies against natalizumab (Tysabri) are found in 4.5% to 14.1% of natalizumab-treated multiple sclerosis patients.

Please label each specimen tube with two forms of patient
identification. These forms of identification must also appear on
the requisition form.

Collect whole blood in a red top tube (no-gel) or a serum separator
tube, let it clot for at least 30 minutes at room temperature and
centrifuge within 1 hour of collection. Transfer the serum to a
plastic screw-cap vial for transport to the laboratory.

Setup Schedule

Monday-Thursday

Reported (Analytical Time)

7 days

CPT Code

83516

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes

METHODOLOGY: Enzyme Linked Immunosorbent Assay
Transport Temperature: Refrigerated

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